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authorPhilip M. Gollucci <pgollucci@FreeBSD.org>2010-10-19 00:28:57 +0000
committerPhilip M. Gollucci <pgollucci@FreeBSD.org>2010-10-19 00:28:57 +0000
commit4572cb117e584896ce548841da737ef0551757ec (patch)
tree76b19a63d7fde3a887d0ee30937e3f177e5a1e2d /net/p5-Net-CascadeCopy/pkg-descr
parent5f2834f0a5a54de0ee3b97ebe8c41f7e4cc48caa (diff)
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+This module implements a scalable method of quickly propagating files
+to a large number of servers in one or more locations via rsync or
+scp.
+
+This module and the included script, ccp, take a much more efficient
+approach that is O(log n). Once the file(s) are been copied to a
+remote server, that server will be promoted to be used as source
+server for copying to remaining servers. Thus, the rate of transfer
+increases exponentially rather than linearly.
+
+Servers can be specified in groups (e.g. datacenter) to prevent
+copying across groups. This maximizes the number of transfers done
+over a local high-speed connection (LAN) while minimizing the number
+of transfers over the WAN.
+
+The number of multiple simultaneous transfers per source point is
+configurable. The total number of simultaneously forked processes is
+limited via Proc::Queue, and is currently hard coded to 32.
+
+WWW: http://search.cpan.org/dist/Net-CascadeCopy/